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Generation III Internal Engine 1997-2006 LS1 | LS6
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Question about 317s

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Old 02-19-2009, 05:12 PM
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Default Question about 317s
Did not find this in search how far can I mill 317s
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Old 02-19-2009, 09:12 PM
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most of the time people do .030 to get close to the ls6 heads. but it really depends on what cam and what engine?
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Old 02-19-2009, 09:48 PM
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I will be using a cam in the 230s 240s 111-112 LSA on stock bottom end LQ4
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Old 02-19-2009, 10:10 PM
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stock valves? you need to know the amount of lift you are going to use also.
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Old 02-20-2009, 09:52 AM
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Stock valves 610 to 650 lift.
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Old 02-20-2009, 11:34 AM
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with the size cam you are planning on running, you would be best to measure after you install the cam. the 111-112 lsa with a high lift are going to limit the amount you can mill unless you plan on flycutting.
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Old 02-20-2009, 11:59 AM
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Ya I think I will probably mill them .030 and use a .040 gasket and see what room have to work with.
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Old 02-20-2009, 09:06 PM
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your going to be cutting it really close, good luck.
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Old 02-20-2009, 09:42 PM
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Def check PTV
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Old 02-21-2009, 12:01 AM
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I cut mine .020 with a ms4 and stock gm mls with no issues on a stock lq4
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Old 02-21-2009, 12:10 AM
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Originally Posted by 95FbFormula
Did not find this in search how far can I mill 317s
Damn what a vague question

Depends on on lot of things you do not elaborate on so this is really a moot question........
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